[1]
Шекера, О.Г. and Мельник, Д.В. 2017. The prevalence of diseases among children digestive and peptic ulcer disease duodenum – urgent problem of family medicine. Family medicine. 1(69) (Jan. 2017), 16–20. DOI:https://doi.org/10.30841/2307-5112.1(69).2017.102949.